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B&R X20DS438A

I/O module, IO-Link master with 4 IO-Link interfaces

MPN: X20DS438A
Category: IO-link modules

€592.54excl. VAT & shipping

In stock — 1 available·Ships within 1 business day

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12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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What is the B&R X20DS438A?

4 IO-Link devices

4 digital channels, can be configured as input or output

24 VDC and GND for sensor/actuator supply

NetTime timestamps: IO-Link data

The module is an IO-Link master that allows intelligent sensors and actuators to be connected to the X20 system in accordance with the IO-Link standard. The module can be used to operate up to 4 IO-Link devices. All IO-Link channels can be used either as standard digital inputs or outputs.

Specifications

Short description

I/O module

IO-Link master with 4 IO-Link interfaces

General information

Diagnostics – Module run/error	Yes, using LED status indicator and software
Diagnostics – IO-Link operating state	Yes, using LED status indicator and software
Diagnostics – C/Q status	Yes, using LED status indicator and software
Cable specification – Cable type	3-pin standard sensor cable, unshielded
Cable specification – Cable length	Max. 20 m
Cable specification – Line capacitance	Max. 3 nF
Cable specification – Loop resistance	Max. 6 Ω
Power consumption – Bus	0.01 W
Power consumption – Internal I/O	0.71 W
Certifications – CE	Yes
Certifications – UKCA	Yes
Certifications – CRA (Cyber Resilience Act)	In preparation
Certifications – ATEX	Zone 2, II 3G Ex nA nC IIA T5 Gc; IP20, Ta (see X20 user's manual); FTZÚ 09 ATEX 0083X
Certifications – UL	cULus E115267; Industrial control equipment
Certifications – HazLoc	cCSAus 244665; Process control equipment; for hazardous locations; Class I, Division 2, Groups ABCD, T5
Certifications – DNV	Temperature: B (0 to 55°C); Humidity: B (up to 100%); Vibration: B (4 g); EMC: B (bridge and open deck)
Certifications – CCS	Yes
Certifications – LR	ENV1
Certifications – KR	Yes
Certifications – ABS	Yes
Certifications – BV	EC33B ; Temperature: 5 - 55°C; Vibration: 4 g; EMC: Bridge and open deck
B&R ID code	0xCAC0
Status indicators	IO-Link, operating state, module status
Additional power dissipation caused by actuators (resistive) [W]	-

Sensor/Actuator power supply

Overload protection – Switch-off delay	Configurable using software
Overload protection – Switch-off duration	Configurable using software
Voltage	I/O power supply minus voltage drop for short-circuit protection
Voltage drop for short-circuit protection at 0.5 A	Max. 0.3 V
Power consumption	Max. 12 W per IO-Link interface
Short-circuit proof	Yes

IO-Link in master mode

Transfer rates – COM1	4.8 kbaud
Transfer rates – COM2	38.4 kbaud
Transfer rates – COM3	230.4 kbaud
Limit values for COM3 – Max. connection capacity	22 nF (cable + IO-Link device)
Limit values for COM3 – Max. load	96 Ω / 250 mA
Data format	1 start bit, 8 data bits, 1 parity bit (even), 1 stop bit
Bus level	24 VDC (active), 0 VDC (resting voltage)

IO-Link in master mode or in SIO mode "digital output"

Switching delay – 0 → 1	<10 µs
Switching delay – 1 → 0	<10 µs
Variant	Bipolar, positive and negative switching
Peak short-circuit current	<1.3 A
Residual voltage	<0.7 VDC at nominal current 0.25 A
Switching voltage	I/O power supply minus voltage drop for short-circuit protection and semiconductor switch
Voltage drop on semiconductor switch	Max. 0.5 VDC at 0.25 A
Switching frequency	Typ. 25 kHz ; 300 kHz in IO-Link master mode
Switch-on in the event of overload shutdown or short-circuit shutdown	Configurable with software
Insulation voltage between IO-Link and bus	500 V eff

IO-Link in SIO mode "Digital output"

Nominal voltage	24 VDC
Nominal output current	0.25 A
Total nominal current	Max. 1 A
Output circuit	Sink or source
Switching frequency (resistive load)	Max. 500 Hz
Output protection	Thermal shutdown in the event of overcurrent or short circuit, integrated protection for switching inductive loads (note: Cutoff current on overload: Between 0.3 A and 0.8 A.)

IO-Link in SIO mode "digital input"

Input filter – Hardware	300 ns
Input filter – Software	-
Switching threshold – Low	<5 VDC
Switching threshold – High	>15 VDC
Nominal voltage	24 VDC
Input characteristics per EN 61131-2	Type 1
Input circuit	Sink
Input voltage	24 VDC -15% / +20%
Input current at 24 VDC	Typ. 4 mA
Input resistance	Typ. 6 kΩ
Insulation voltage between IO-Link and bus	500 V eff

Electrical properties

Electrical isolation

Bus isolated from IO-Link ; IO-Link not isolated from IO-Link

Operating conditions

Mounting orientation – Horizontal	Yes
Mounting orientation – Vertical	Yes
Installation elevation above sea level – 0 to 2000 m	No limitation
Installation elevation above sea level – >2000 m	Reduction of ambient temperature by 0.5°C per 100 m
Degree of protection per EN 60529	IP20

Ambient conditions

Temperature – Horizontal mounting orientation	-25 to 60°C
Temperature – Vertical mounting orientation	-25 to 50°C
Temperature – Derating	-
Temperature – Storage	-40 to 85°C
Temperature – Transport	-40 to 85°C
Relative humidity – Operation	5 to 95%, non-condensing
Relative humidity – Storage	5 to 95%, non-condensing
Relative humidity – Transport	5 to 95%, non-condensing

Mechanical properties

Note	Order 1x terminal block X20TB12 separately.; Order 1x bus module X20BM11 separately.
Pitch	12.5 +0.2 mm

Accessories

Required accessories (order separately)

X20BM15	Bus modules — The bus module is the base for all X20 24 VDC I/O modules; The internal I/O supply is interconnected; Manual node number assignment; Indepe…
X20BM11	Bus modules — Bus module for 24 VDC I/O modules; The internal I/O power supply is connected through. The bus module is the base for all 24 VDC I/O module…
X20TB12	Terminal blocks — Tool-free wiring with push-in technology; Simple wire release using lever; Ability to label each terminal; Plain text labeling also possibl…

Downloads & documentation

Official documents from B&R, downloaded directly from the manufacturer.

Data sheets & manuals

CAD & dimension drawings

Certificates (14)

X20DS438A: frequently asked questions

When can X20DS438A be shipped?

X20DS438A is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up X20DS438A in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for X20DS438A and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for X20DS438A, subject to availability and destination.